Home / 74,920.95-103,294.44-53,435.19

Finding the Fourth Proportional to 74,920.95, 103,294.44 and 53,435.19

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Solution

The fourth proportional to 74,920.95, 103,294.44 and 53,435.19 is: 73,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,920.95 : 103,294.44 = 53,435.19 : x
  2. Step 2: Convert to fraction form
    74,920.95/103,294.44 = 53,435.19/x
  3. Step 3: Cross multiply
    74,920.95x = 103,294.44 × 53,435.19
  4. Step 4: Simplify right side
    74,920.95x = 5,519,558,414.70
  5. Step 5: Solve for x
    x = 5,519,558,414.70/74,920.95
  6. Step 6: Final answer
    x = 73,671.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.